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(No Model.) 7 19 Sheets-Sheet I.

P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING-- RAILWAY TRACKS.

No. 367,708. Patented Aug. 2, 1887.

WITNESSES:

N. PETERS, Pholo-Lilhugmplwr. Wnshinllon. D. c.

(No Model.) 19 Sheets-Sheet 2. P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAY TRACKS.

No. 367,708. Patented Aug. 2, 1887.

N. PETERS. Phawmno her, Washington. D. C.

(No Model.) 19 SheetsSheet 3.

.P.-H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS 0]? AND MARKING RAILWAY TRACKS.

No. 367,708. Patented Aug. 2, 18-87.

INVENTOR (No Model.) 19 Sheets-Sheet 4. P. H. DUDLEY. MEANS FORRECORDING THE OONDITIONS'OP AND MARKING RAILWAY TRACKS.

No. 367,708. Patented Aug. 2, 1887.

WITNESSES: 'JNVENTQR 1 WK? W? (No Model.) 19 Sheets-Sheet 5.

I P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAY TRACKS.

Patented Aug. 2; 1887.

' WITNESSES:

(No Model.) 19 SheetsSheet 6.

- P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAY TRACKS.

No. 367,708. Patented Aug. 2, 188'],

N. PETERS, MoLifivognpMr, Wuhingion. D. C.

19 Sheets-Sheet 7'.

(No Model.) 7 v P. H. DUDLEY. MEANS FOR REUORDING THE CONDITIONS OF ANDMARKING FIGJO.

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19'Sheets-Sheet 8.

Patented Aug. 2, 1887.

P. H. DUDLEY. MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAYTRAOKS.

(No Model.)

N. PETERS, min-Lithographer, Withinglon. ILCv WITNESSES.

(No Model.)' 19 Sheets-Sheet 9.

P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAYTRAOKS.

n Patented Aug. 2, 1887.

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(No Model.) '19 sheets Sheet 10.

'P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAY TRACKS.

No. 367,70 8. Patented Aug. 2, 1887. F'l:G.2.2..,

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(No Model.)

P. H. DUDLEY. MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAYTRACKS.

No. 367,708. Patented Aug. 2, 1887.

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@Ww g zm d9 (No Model.) 19 She ets-Sheet 12.

' P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAY TRACKS.

No. 367,708. Patented Au%. 2 1887.

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WITNESSES:

m'wnzns, Photo-Lithographer, wnmmm l1!)v (No Model.) 19 Sheets-Sheet 13.

P. H. DUDLEY. MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAYTRACKS.

No. 367,708. Patented Aug. 2, 1887.

INVENTOR FIGQM.

WITNESSES: WMMW NI PETERS, mwwum npm. wnmn o. c.

(No Model.) 19 Sheets-Sheet 14.v

P. H. DUDLEY. MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAYTRACKS.

No. 367,708. Patented Aug. 2, 1887.

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(No Model.) 19 Sheets-Sheet 15.

P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAY TRACKS.

Patented Aug. 2, 1 887.

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N. PETERS. Phnlo-Lhhognphlr, Washington, 0.0.

(N0 ModeL v 19 sheets-sheet 16. P. H. DUDLEY.

MEANS FOR RECORDING THE GONDITIONS OF AND MARKING RAILWAY TRAGKS.

9* WITNESSES. q. mvcu'roa.

WA EM N. PETERS. Phnlu-Limqgnphnh Washinglun, 0.6.

(No Model.) 19 Sheets-Sheet 17.

P. H; DUDLEY.

MEANS FOR RECORDING THE GONDITIONS OF AND MARKING RAILWAY TRACKS.

No. 367,708. Patented Aug. 2, 1887.

DYMMQMET cuRvE BASE LINE WITNESSES. INVENTOR.

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(No Model.) 19 Sheets-Sheet 1s.

-P. H. DUDLEY. MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAYTRACKS.

No, 367,708. Patented Aug. 2, 1887.

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(No Model.) 19 Sheets-Sheet 19.

P. H. DUDLEY.

MEANS FOR RECORDING THE CONDITIONS OF AND MARKING RAILWAY TRACKS.

No. 367,708. k Patented Aug. 2, 1887.

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UNITED STATES PATENT OFFICE.

PLIMMON H. DUDLEY, or NEW YORK, N. Y.

MEANS FOR RECORDING THE CONDlTIONS OF AND MARKING RAILWAY-TRACKS.

SPECIFICATION forming part of Letters Patent No. 367,708, dated August2, 1887. Application filed January 30, 1893. Serial No. 83,491. (Nomodel.)

To all whom, it may concern.-

Be it known that I, PLIMMON H. DUDLEY, of the city, county, and State ofNew York, have invented certain new and useful Improvements in Means forRecording the Conditions of and Marking Railway-Tracks, of which duty ofdifferent descriptions by locomotive-' engines, and the conditionofrailroad'tracks in sundry particulars, which contribute to vary theresistances opposed to traction by cars while being hauled over saidtracks; and,

further, to indicate upon the rails of said tracks the location andcharacter of defects or irregularities, thereby enabling suitablerepairs or corrections to be intelligently madeat the proper points.

The invention is designed to produce a graphical record or chart fromwhich may be determined the most advisable and economical constructionsof running-gear for use in railroad-ears; the greater or lesseconomy'ofhauling freight at different speeds; the quantities of fueland water consumed by locomotiveengines under different conditions ofservice, and the exact location, character, and extent of defects andirregularities in the track, such data enabling an ascertainment to bemade of the cost of power for moving trains, both on the tangents and onthe curves of the road, and on either levels or grades, therebyestablishing a basis upon which there can be intelligently determinedthe advisability of expenditu re in reducing grades and locating curvesfor new lines with a given or estimated amount of business, or in therelocatioii of old lines.

Large expenditures are now being made by railroad companies instraightening curved portions of their roads to avoid thegreatlyincreased expense of operating such portions, which could havebeen originallylocated with less degrees of curvature if the knowledgeobtainable by my improvements had been at command prior to theirconstruction.

One feature of my invention is an improvement in investigating thecondition of the track-rails of a railway from a moving car, consistingin mechanically locating from the 'car irregularities or inequalities inthe trackrails and mechanically and simultaneously marking from themoving car-as, for exam ple, by applying a marking-fluid upon the railsor other portions of the superstructnreto indicate the locations of suchirregularities or inequalities.

The invention also consists in novel combinations of parts, which arehereinafter de scribed, and pointed out in the claims.

i The part of my invention which relates to the machine orapparatusincludes novel combinations of parts whereby the resistances eXerted to traction are measured and recorded upon a band of paper whichmoves at a speed bearing a fixed relation to the speed of the ear, andmechanism for graphically recording on the paper the spaces of time in.which the resistances are respectively exerted. These combinations alsoinclude bearers moving in contact with the tracl -rails to ascertain theparticulars ofcharacterand conditions of track passed over, so that fromthe chart the effect which such irregularities have upon the resistancesexerted to traction may be ascertained at a glance.

The novel combinations of parts also include, in connection withsupportingwhcels for a railwayyehicle, bearers arranged between thewheels lengthwise of such vehicleand bearing on the track-rails andadapted torise and fall as they pass defective portions of the track, anapparatus upon the vehicle for ejecting markingfluid upon the rails orother portions of the superstructure at such defective portions of thetrack, a valve controlling the ejection of fluid by the apparatus, andconnections through which said Valve is operated by the rising andfalling of the bearers. The novel combinations of parts also include anaxle carrying a loose disk which is adapted to bear against the innerface of a line of traclerails, a spring acting to press the disk towardand against the rails, and a recording-pen actuated by a shaft which iscoupled to said disk and is vibrated by the longitudinal movementsthereof upon its axle, induced by lateral inequalities in the line ofrails against which it bears. The novel combinations of parts alsoinclude a truck or carriage which is pivoted to the car-body inde-

